<?php if(!empty($this->error)) {?> <div id="error"><?php echo $this->error; ?> </div> <?php }?>

<form action="" method="post">
    <strong>Admin Username:<br/></strong><input type="text" name="username"><br/>
    <strong>Password:<br/></strong><input type="password" name="pwd"><br/>
    <input type="submit" value="Login">
</form>